/* =============================================
   SYLWIA OLSZEWSKA – WIZYTÓWKA
   Paleta: ciemny granat → fiolet, biała typografia
   Fonty: Cormorant Garamond (display) + Inter (body)
   ============================================= */

/* ---------- DESIGN TOKENS ---------- */
:root {
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body:    "Inter", "Segoe UI", system-ui, sans-serif;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-hero: clamp(2.8rem,   1rem    + 5vw,    5.5rem);

  --color-bg:             #080a14;
  --color-surface:        #0e1020;
  --color-surface-2:      #141628;
  --color-surface-offset: #1c1f35;
  --color-border:         rgba(255,255,255,0.08);
  --color-divider:        rgba(255,255,255,0.06);

  --color-text:        #f0eeff;
  --color-text-muted:  rgba(240,238,255,0.60);
  --color-text-faint:  rgba(240,238,255,0.35);

  --color-primary:      #a78bfa;
  --color-primary-dark: #7c3aed;
  --color-primary-glow: rgba(124,58,237,0.35);

  --gradient-bg: radial-gradient(
    ellipse 80% 60% at 90% 95%,
    #6d28d9 0%, #3b0764 25%, #0c0720 55%, #080a14 100%
  );

  --space-1:  0.25rem; --space-2:  0.5rem;  --space-3:  0.75rem;
  --space-4:  1rem;    --space-6:  1.5rem;  --space-8:  2rem;
  --space-10: 2.5rem;  --space-12: 3rem;    --space-16: 4rem;
  --space-20: 5rem;    --space-24: 6rem;

  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1.25rem;
  --radius-full: 9999px;

  --ease:       cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 200ms var(--ease);

  --content:      960px;
  --content-wide: 1100px;
}

/* ---------- BASE RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  hanging-punctuation: first last;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100dvh;
  line-height: 1.7;
}

img, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
button { cursor: pointer; background: none; border: none; color: inherit; font: inherit; }
h1, h2, h3 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; }

a, button, [role="button"] {
  transition: color var(--transition), background var(--transition),
              opacity var(--transition), box-shadow var(--transition);
}

::selection { background: rgba(167,139,250,0.25); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- UTILITIES ---------- */
.skip-link {
  position: absolute; top: -100%; left: 0;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary); color: #fff;
  font-size: var(--text-sm); font-weight: 600;
  border-radius: 0 0 var(--radius-md) 0;
  z-index: 1000;
}
.skip-link:focus { top: 0; }

.container {
  max-width: var(--content);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

/* ---------- HEADER ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,10,20,0.80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex; align-items: center;
  justify-content: space-between; height: 4rem;
}

.logo {
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none; color: var(--color-text);
}
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.01em;
}
.logo:hover { opacity: 0.8; }

.nav-list { display: flex; gap: var(--space-8); list-style: none; }
.nav-link {
  font-size: var(--text-sm); font-weight: 400;
  color: var(--color-text-muted); text-decoration: none;
  padding: var(--space-1) 0; position: relative;
}
.nav-link::after {
  content: ""; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 1px; background: var(--color-primary);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--color-text); }
.nav-link:hover::after { width: 100%; }

.nav-toggle { display: none; color: var(--color-text); padding: var(--space-2); }

.mobile-nav {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.mobile-nav-list { list-style: none; padding: var(--space-4) 0; }
.mobile-nav-link {
  display: block; padding: var(--space-3) var(--space-6);
  font-size: var(--text-base); color: var(--color-text-muted);
  text-decoration: none;
}
.mobile-nav-link:hover { color: var(--color-text); background: var(--color-surface-offset); }

@media (max-width: 600px) {
  .nav-list { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: calc(100dvh - 4rem);
  display: flex; align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: var(--gradient-bg);
}

.hero-content {
  position: relative; z-index: 1;
  padding-block: var(--space-20);
  max-width: 700px;
}

.hero-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.hero-heading em {
  font-style: italic;
  background: linear-gradient(135deg, var(--color-primary), #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin-bottom: var(--space-10);
  line-height: 1.6;
}

.btn-primary {
  display: inline-flex; align-items: center;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  background: var(--color-primary-dark);
  color: #ffffff; text-decoration: none;
  font-size: var(--text-sm); font-weight: 500;
  letter-spacing: 0.02em;
  box-shadow: 0 0 24px var(--color-primary-glow);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: #6d28d9;
  box-shadow: 0 0 36px rgba(109,40,217,0.5);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

/* ---------- SECTIONS ---------- */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
.section-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-bottom: var(--space-10);
  letter-spacing: -0.01em;
}

/* ---------- O MNIE ---------- */
.section-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}

.about-text p {
  color: var(--color-text-muted);
  max-width: 65ch;
  margin-bottom: var(--space-4);
}

.about-list {
  list-style: none; margin-top: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-2);
}
.about-list li {
  font-size: var(--text-sm); color: var(--color-text-muted);
  padding-left: var(--space-5); position: relative;
}
.about-list li::before {
  content: "·"; position: absolute; left: 0;
  color: var(--color-primary); font-size: 1.4em; line-height: 1;
}

.about-photo { width: clamp(140px, 20vw, 220px); }
.photo-placeholder {
  width: 100%;
  background: linear-gradient(160deg, var(--color-surface-2), var(--color-surface-offset));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 400; color: var(--color-text-faint);
}

@media (max-width: 680px) {
  .section-grid { grid-template-columns: 1fr; }
  .about-photo { width: 140px; order: -1; }
}

/* ---------- ARTYKUŁY ---------- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
}

.article-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-3);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.article-card:hover {
  border-color: rgba(167,139,250,0.3);
  box-shadow: 0 8px 32px rgba(124,58,237,0.12);
}

.article-date {
  font-size: var(--text-xs); color: var(--color-text-faint);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.article-title {
  font-family: var(--font-display);
  font-size: var(--text-lg); font-weight: 600;
  color: var(--color-text); line-height: 1.3;
}
.article-excerpt {
  font-size: var(--text-sm); color: var(--color-text-muted);
  flex-grow: 1; line-height: 1.65;
}
.article-link {
  font-size: var(--text-sm); font-weight: 500;
  color: var(--color-primary); text-decoration: none;
  margin-top: var(--space-2); align-self: flex-start;
}
.article-link:hover { color: #c4b5fd; }

/* ---------- KONTAKT ---------- */
.contact-wrap { max-width: var(--content); }
.contact-wrap h2 { margin-bottom: var(--space-4); }

.contact-intro {
  color: var(--color-text-muted); max-width: 50ch;
  margin-bottom: var(--space-10); font-size: var(--text-lg);
}

.contact-links { display: flex; flex-wrap: wrap; gap: var(--space-4); }

.contact-item {
  display: inline-flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  color: var(--color-text-muted); text-decoration: none;
  font-size: var(--text-sm); background: var(--color-surface);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.contact-item:hover {
  border-color: var(--color-primary);
  color: var(--color-text); background: var(--color-surface-2);
}

/* ---------- FOOTER ---------- */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}
.footer-inner { display: flex; justify-content: center; }
.site-footer p { font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- ANIMACJE WEJŚCIA ---------- */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }